Pyramodon ventralis
Encyclopedia
Pyramodon ventralis is a pearlfish
Pearlfish
Pearlfish is a general name for a variety of marine fish species in the Carapidae family. Pearlfish have been found in tropical waters of the Atlantic, Indian, and Pacific Oceans at depths up to along oceanic shelves and slopes....

 of the family
Family (biology)
In biological classification, family is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, class, order, genus, and species, with family fitting between order and genus. As for the other well-known ranks, there is the option of an immediately lower rank, indicated by the...

 Carapidae, found in the Indo-western Pacific oceans at depths of between 100 and 400 m. Its length is between 25 and 30 cm.
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